<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <input type="text" id="message">
    <buttom id="submit">提交</buttom>

    <script>
        //1.创建websocket实例
        let websocket = new WebSocket("ws://127.0.0.1:8080/test")
        //2.挂载回调函数
        websocket.onopen = function(){
            console.log("连接成功");
        }
        websocket.onmessage = function(e){
            console.log("收到消息:"+e.data);
        }
        websocket.onerror = function(){
            console.log("连接异常");
        }
        websocket.onclose = function(){
            console.log("连接关闭");
        }
        //3.实现点击之后，通过我们的这个websocket发送请求
        let input = document.querySelector('#message');
        let button = document.querySelector('#submit');
        button.onclick = function(){
            console.log("发送消息:"+input.value);
            websocket.send(input.value);
        }

    </script>
</body>
</html>